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D3 - Engine Bay Everything under the bonnet |
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Thread Tools | Display Modes |
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Webasto won't fire, fuel or communication?
Noticed lately that the aux heater doesn't work and give error code in VCDS with "No Flame".
Totally get 3 errors for the Aux Heater: 01406 - No Flame 01336 - Company Data Bus for Comfort System - No signal/communication 01407 - Flame Extinguished And one for the CAN Gateway 01207 Control Module for Auxiliary Heater - No Signal/Communication I wonder if the 01336 and 01207 are related to one another, and are triggered because of the Webasto goes into lock and need to be reset/opened after "No Flame" error? I've taken the Webasto out and apart, and everything looks fine. The glow plug measures 0,5 ohm, with the probes shortened 0,2 ohm, so should give about 0,3 something for the glow plug alone. From what I understand that should be okay? Tried to test run the Webasto from the VCDS, while not connecting the fuel line, and everything seems to start and run as it should apart from that it obviously didn't fire. No diesel came from the fuel line, so I expect maybe the dosing pump to be faulty? Question is, should I follow the communication errors, or are those related to not firing, or should I check the dosing pump? The last question is, where is the dosing pump located? I've searched high and low online but can't find any information about it. The car is a A8 2006 3.0TDI and the Webasto doesn't have a timer or remote.
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2006 Audi A8 3.0 TDI Quattro Sport A8 W12/S8 Brakes front and rear (385mm/335mm) Focal and JBL speakers, Helix amps S8 anti-roll bars front and rear Complete rear LED taillight Xenon fog lights All interior LED S8 rims 9x20" Stage II tune S8 Grill |
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